Datums for 9449932, Armitage Island WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9449932, Armitage Island, WA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 9449880 Friday Harbor, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.84Mean Higher-High Water
MHW7.23Mean High Water
MTL4.77Mean Tide Level
MSL4.66Mean Sea Level
DTL3.92Mean Diurnal Tide Level
MLW2.32Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.05Station Datum
GT7.84Great Diurnal Range
MN4.91Mean Range of Tide
DHQ0.61Mean Diurnal High Water Inequality
DLQ2.32Mean Diurnal Low Water Inequality
HWI0.29Greenwich High Water Interval (in hours)
LWI6.14Greenwich Low Water Interval (in hours)
Max Tide10.45Highest Observed Tide
Max Tide Date & Time12/16/1997 15:36Highest Observed Tide Date & Time
Min Tide-3.66Lowest Observed Tide
Min Tide Date & Time12/25/1999 06:48Lowest Observed Tide Date & Time
HAT9.42Highest Astronomical Tide
HAT Date & Time12/14/1985 16:06HAT Date and Time
LAT-4.08Lowest Astronomical Tide
LAT Date & Time06/22/1986 18:06LAT Date and Time
Tidal Datum Analysis Periods
06/01/1998 - 05/31/2000




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